class Prometheus::Client::Gauge
A Gauge
is a metric that exposes merely an instantaneous value or some snapshot thereof.
Public Class Methods
new(name, docstring, base_labels = {}, multiprocess_mode=:all)
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Calls superclass method
# File lib/prometheus/client/gauge.rb, line 10 def initialize(name, docstring, base_labels = {}, multiprocess_mode=:all) super(name, docstring, base_labels) if value_class.multiprocess and ![:min, :max, :livesum, :liveall, :all].include?(multiprocess_mode) raise ArgumentError, 'Invalid multiprocess mode: ' + multiprocess_mode end @multiprocess_mode = multiprocess_mode end
Public Instance Methods
decrement(labels, value)
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# File lib/prometheus/client/gauge.rb, line 35 def decrement(labels, value) @values[label_set_for(labels)].decrement(value) end
default(labels)
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# File lib/prometheus/client/gauge.rb, line 22 def default(labels) value_object(type, @name, @name, labels, @multiprocess_mode) end
increment(labels, value)
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# File lib/prometheus/client/gauge.rb, line 31 def increment(labels, value) @values[label_set_for(labels)].increment(value) end
set(labels, value)
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Sets the value for the given label set
# File lib/prometheus/client/gauge.rb, line 27 def set(labels, value) @values[label_set_for(labels)].set(value) end
type()
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# File lib/prometheus/client/gauge.rb, line 18 def type :gauge end